Question

Consider a metalic rod being heated. When
one end of the rod is heated, heat is felt at
the other end. The following questions can
be asked on this observation
a) What happens within the rod when it
is heated?
b) How does the heat reach the other
end
c) Is this effect true for all materials?
d) If heat flows through the material, is it
possible to visualize heat?
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Answer 1

a metallic rod rod is heated then the particle with the solid metal rod vibrate fastly and transfer energy from one part to another part that's why the rod get heated